/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUSceneElement.h
Attach the actor to its new parent. Detach the actor if it was already attached.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Datasmith | Scene") void AttachActor ( [UDatasmithActorElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithActorElement) * NewParent, [UDatasmithActorElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithActorElement) * Child, EDatasmithActorAttachmentRule AttachmentRule )